Finding the Fourth Proportional to 116,555.10, 160,844.31 and 65,563.98

Step by Step Solution

1. Step 1: Write the proportion equation
   116,555.10 : 160,844.31 = 65,563.98 : x
2. Step 2: Convert to fraction form
   116,555.10/160,844.31 = 65,563.98/x
3. Step 3: Cross multiply
   116,555.10x = 160,844.31 × 65,563.98
4. Step 4: Simplify right side
   116,555.10x = 10,545,593,123.95
5. Step 5: Solve for x
   x = 10,545,593,123.95/116,555.10
6. Step 6: Final answer
   x = 90,477.32